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00460f41ff
linux/arch/frv/lib
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David Howells 00460f41ff FRV: Implement atomic64_t 
Implement atomic64_t and its ops for FRV.  Tested with the following patch:

	diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
	index 55e4fab..086d50d 100644
	--- a/arch/frv/kernel/setup.c
	+++ b/arch/frv/kernel/setup.c
	@@ -746,6 +746,52 @@ static void __init parse_cmdline_early(char *cmdline)

	 } /* end parse_cmdline_early() */

	+static atomic64_t xxx;
	+
	+static void test_atomic64(void)
	+{
	+	atomic64_set(&xxx, 0x12300000023LL);
	+
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != 0x12300000023LL);
	+	mb();
	+	if (atomic64_inc_return(&xxx) != 0x12300000024LL)
	+		BUG();
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != 0x12300000024LL);
	+	mb();
	+	if (atomic64_sub_return(0x36900000050LL, &xxx) != -0x2460000002cLL)
	+		BUG();
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != -0x2460000002cLL);
	+	mb();
	+	if (atomic64_dec_return(&xxx) != -0x2460000002dLL)
	+		BUG();
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != -0x2460000002dLL);
	+	mb();
	+	if (atomic64_add_return(0x36800000001LL, &xxx) != 0x121ffffffd4LL)
	+		BUG();
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != 0x121ffffffd4LL);
	+	mb();
	+	if (atomic64_cmpxchg(&xxx, 0x123456789abcdefLL, 0x121ffffffd4LL) != 0x121ffffffd4LL)
	+		BUG();
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != 0x121ffffffd4LL);
	+	mb();
	+	if (atomic64_cmpxchg(&xxx, 0x121ffffffd4LL, 0x123456789abcdefLL) != 0x121ffffffd4LL)
	+		BUG();
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != 0x123456789abcdefLL);
	+	mb();
	+	if (atomic64_xchg(&xxx, 0xabcdef123456789LL) != 0x123456789abcdefLL)
	+		BUG();
	+	mb();
	+	BUG_ON(atomic64_read(&xxx) != 0xabcdef123456789LL);
	+	mb();
	+}
	+
	 /*****************************************************************************/
	 /*
	  *
	@@ -845,6 +891,8 @@ void __init setup_arch(char **cmdline_p)
	 //	asm volatile("movgs %0,timerd" :: "r"(10000000));
	 //	__set_HSR(0, __get_HSR(0) | HSR0_ETMD);

	+	test_atomic64();
	+
	 } /* end setup_arch() */

	 #if 0

Note that this doesn't cover all the trivial wrappers, but does cover all the
substantial implementations.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-01 19:38:09 -07:00
..
__ashldi3.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
__ashrdi3.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
__lshrdi3.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
__muldi3.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
__negdi2.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
__ucmpdi2.S [PATCH] frv: implement and export various things required by modules 2006-01-08 20:13:36 -08:00
atomic64-ops.S FRV: Implement atomic64_t 2009-07-01 19:38:09 -07:00
atomic-ops.S FRV: Implement atomic64_t 2009-07-01 19:38:09 -07:00
cache.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
checksum.c [NET]: FRV checksum annotations. 2006-12-02 21:23:03 -08:00
insl_ns.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
insl_sw.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile FRV: Implement atomic64_t 2009-07-01 19:38:09 -07:00
memcpy.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
memset.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
outsl_ns.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
outsl_sw.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00